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Finding the Third Proportional to 358,915.50 and 788,586.75

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Solution

The third proportional to 358,915.50 and 788,586.75 is: 1,732,633.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,915.50 : 788,586.75 = 788,586.75 : x
  2. Step 2: Convert to fraction form
    358,915.50/788,586.75 = 788,586.75/x
  3. Step 3: Cross multiply
    358,915.50x = 788,586.75 × 788,586.75
  4. Step 4: Simplify right side
    358,915.50x = 621,869,062,275.56
  5. Step 5: Solve for x
    x = 621,869,062,275.56/358,915.50
  6. Step 6: Final answer
    x = 1,732,633.62

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.